[HOLD for payment 2024-07-10] [Report Fields] [External] Create the main WorkspaceReportFieldsPage page

[mountiny]

[Main tracking issue].(https://github.com/Expensify/Expensify/issues/365155)

Design doc link.

Implement the following section of the design doc: https://docs.google.com/document/d/10b7pTVvgpB6_O8sRTKaCzZEVM3Ba6hxnIwyyQSSXCLY/edit#bookmark=kix.9r8h9sr0vvvh

Issue Owner

Current Issue Owner: @

Issue Owner

Current Issue Owner: @twisterdotcom

[melvin-bot]

Current assignees @rushatgabhane and @shubham1206agra are eligible for the External assigner, not assigning anyone new.

[melvin-bot]

Triggered auto assignment to @twisterdotcom (NewFeature), see https://stackoverflowteams.com/c/expensify/questions/14418#:~:text=BugZero%20process%20steps%20for%20feature%20requests for more details. Please add this Feature request to a GH project, as outlined in the SO.